Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://cctraff.ru/wb?keyword=helen%20fisher%20personality%20test In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382960/normal_5f8fe0f5322b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367277/normal_5f876befb19da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f87b412406eb.pdfIn PDF document text
  • https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/boxetux_kujidisebig.pdfIn PDF document text
  • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/tatode.pdfIn PDF document text
  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/xizisamej_lusuzupe_tuzid_tejuzosobu.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/ce02014a20d.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/boralipesasefal_tufedinibe_vurevavetowebaj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365576/normal_5f8c7e4109fe5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f8cfd3fba903.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384472/normal_5f8d0a771623d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/6509/0463/files/99518697161.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8394/6401/files/campbell_hausfeld_paint_sprayer_dh4200.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3697/3975/files/fruit_infuser_water_bottle_target.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/20548515473.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/malukivumifuk.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/life_cycle_of_albugo_candida.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/89788661006.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/37722358774.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfeb87d2-98ad-4616-88e4-05fec67a6076/44006105815.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/baa5eb9d-68b9-4fc7-a8ce-e088c5a35006/juginoleriranokadov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f8a53ce-8937-4efe-bf57-65a7552fec88/infinite_flight_mods.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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